Shapai Dam

Shapai Dam
Location of Shapai Dam in China
Country China
Location Wenchuan County, Sichuan Province
Coordinates 31°18′39″N 103°41′26″E / 31.31083°N 103.69056°E / 31.31083; 103.69056Coordinates: 31°18′39″N 103°41′26″E / 31.31083°N 103.69056°E / 31.31083; 103.69056
Status In use
Opening date 2002
Dam and spillways
Type of dam Arch
Impounds Caopo River
Height 130 metres (427 ft)
Length 230 metres (755 ft)
Width (crest) 9.5 metres (31 ft)
Width (base) 28 metres (92 ft)
Dam volume 356,000 cubic metres (12,572,021 cu ft)
Spillways Two discharge tunnels
Spillway capacity 453 cubic metres per second (15,998 cu ft/s)
Reservoir
Creates Shapai Reservoir
Total capacity 3,135,000,000 cubic metres (2,541,586 acre·ft)
Catchment area 239.2 square kilometres (92 sq mi)
Power station
Hydraulic head 270 metres (886 ft)
Turbines 4 x 18 MW
Installed capacity 36 MW

The Shapai Dam is an arch dam on the Caopo River in Sichuan Province, China. The dam is 130 metres (427 ft) tall and composed of roller-compacted concrete. There are no spillways on the face of the dam but two tunnels are utilized with a discharge capacity of 453 cubic metres per second (15,998 cu ft/s). A single penstock feeds water to a power station 5 kilometres (3 mi) downstream. The power station contains 2 x 18 MW generators with a combined capacity of 36 MW.[1]

See also

References

  1. "Introduction on Shapai Hydropower Station". China Water. Retrieved 6 January 2011.


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